FR673070A - Lampe multiple - Google Patents

Lampe multiple

Info

Publication number
FR673070A
FR673070A FR673070DA FR673070A FR 673070 A FR673070 A FR 673070A FR 673070D A FR673070D A FR 673070DA FR 673070 A FR673070 A FR 673070A
Authority
FR
France
Prior art keywords
multiple lamp
lamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Inventor
Siegmund Loewe
Edgar Romhild
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR673070A publication Critical patent/FR673070A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H01J21/06—Tubes with a single discharge path having electrostatic control means only
    • H01J21/16—Tubes with a single discharge path having electrostatic control means only with external electrostatic control means and with or without internal control electrodes
FR673070D 1928-04-14 1929-04-13 Lampe multiple Expired FR673070A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE673070X 1928-04-14

Publications (1)

Publication Number Publication Date
FR673070A true FR673070A (fr) 1930-01-10

Family

ID=6590852

Family Applications (1)

Application Number Title Priority Date Filing Date
FR673070D Expired FR673070A (fr) 1928-04-14 1929-04-13 Lampe multiple

Country Status (1)

Country Link
FR (1) FR673070A (fr)

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